Home / 155,424.75-214,494.03-91,761.18

Finding the Fourth Proportional to 155,424.75, 214,494.03 and 91,761.18

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Solution

The fourth proportional to 155,424.75, 214,494.03 and 91,761.18 is: 126,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.75 : 214,494.03 = 91,761.18 : x
  2. Step 2: Convert to fraction form
    155,424.75/214,494.03 = 91,761.18/x
  3. Step 3: Cross multiply
    155,424.75x = 214,494.03 × 91,761.18
  4. Step 4: Simplify right side
    155,424.75x = 19,682,225,295.76
  5. Step 5: Solve for x
    x = 19,682,225,295.76/155,424.75
  6. Step 6: Final answer
    x = 126,635.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.